US-Venezuela oil deal gives Washington 100-year influence over key fields, reshaping global energy power, OPEC dynamics and debates over sovereignty.

The U.S. involvement in the country’s oil industry has dubious legal underpinnings and may end up being less than advertised.

Venezuela's parliament has approved handing the US control of a fifth of its oil reserves, cementing Washington's grip on a government it helped install after toppling President…

An accord anchored on billions of dollars lacks the depth needed to transform a neglected national oil industry, an expert writes.